<header class="demo-header">
    <form action="<?php echo WEBROOT . '/product/search/' ?>" method="get" class="am-form flt">
        <a href="/search/index">
            <div class="am-form-group" style="width: 100%">
                <input type="text" class="am-form-field am-radius" name="key" placeholder="搜索" style="border: 0px">
            </div>
        </a>
    </form>
    <div class="header-message flt">
        <a href="/messagecenter/index">
            <img src="<?php echo WEBIMG; ?>/message.png" class=""/>
        </a>
    </div>
</header>